I-90 over W Nelson Siding RD

Fair Condition64 years old16,598 vehicles/day

Location

StateWashington
CountyKittitas
Location19.3 E Jct SR 906
CarriesI-90
CrossesW Nelson Siding RD
Coordinates47.21781, -121.13052

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure6 (Satisfactory)
Substructure5 (Fair)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length104.0 ft (31.7 m)
Max Span32.2 ft (9.8 m)
Deck Width42.0 ft (12.8 m)
Deck Area405.8 sq m
Main Spans3
Year Built1962

Traffic

Avg Daily Traffic16,598 (2023)
Truck Traffic23%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection524
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number0006883B0000000

Nearby Bridges

I-90 over W Nelson Siding RD 0.0 mi Fair I-90 WB over Drainage Ditch 0.9 mi Good I-90 WB over Tucker Creek 1.1 mi Good I-90 EB over Tucker Creek 1.1 mi Good Nelson Siding Road over Big Creek 1.3 mi Good I-90 over Big CR 1.3 mi Fair I-90 over Big CR 1.3 mi Good Storie Lane over Little Creek 2.3 mi Good Nelson Siding Road over Little Creek 2.4 mi Good Easton Road over I-90 2.4 mi Fair